Travel with Axel,
get the best price.

Miami → Denver

Dec 4, 2026 · return Dec 9, 2026

MIA → DEN1 adulteconomyRound trip

14 flight options · 4 airlines

Nonstop flights

Fri, Dec 4 – Wed, Dec 9

Frontier Airlines
7:47 pmMIA
5h
Nonstop
10:47 pmDEN
Frontier Airlines
3:52 pmDEN
3h 47m
Nonstop
9:39 pmMIA

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Wed, Dec 9

Southwest Airlines
5:25 amMIA
4h 30m
Nonstop
7:55 amDEN
Southwest Airlines
12:00 pmDEN
3h 45m
Nonstop
5:45 pmMIA

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Wed, Dec 9

American Airlines
5:00 pmMIA
4h 32m
Nonstop
7:32 pmDEN
American Airlines
6:00 amDEN
4h
Nonstop
12:00 pmMIA

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Wed, Dec 9

United Airlines
6:00 amMIA
4h 45m
Nonstop
8:45 amDEN
United Airlines
1:48 pmDEN
3h 54m
Nonstop
7:42 pmMIA

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Wed, Dec 9

Frontier Airlines
5:01 amMIA
4h 38m
Nonstop
7:39 amDEN
Frontier Airlines
3:52 pmDEN
3h 47m
Nonstop
9:39 pmMIA

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Wed, Dec 9

Southwest Airlines
2:35 pmMIA
4h 30m
Nonstop
5:05 pmDEN
Southwest Airlines
12:00 pmDEN
3h 45m
Nonstop
5:45 pmMIA

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Wed, Dec 9

American Airlines
8:24 pmMIA
4h 35m
Nonstop
10:59 pmDEN
American Airlines
6:00 amDEN
4h
Nonstop
12:00 pmMIA

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Wed, Dec 9

United Airlines
7:42 pmMIA
4h 50m
Nonstop
10:32 pmDEN
United Airlines
1:48 pmDEN
3h 54m
Nonstop
7:42 pmMIA

Round-trip total · 1 adult · Taxes included

One-stop flights

Fri, Dec 4 – Wed, Dec 9

Frontier Airlines
10:49 amMIA
6h 59m
DFW · 1h 1m
3:48 pmDEN
Frontier Airlines
3:52 pmDEN
3h 47m
Nonstop
9:39 pmMIA

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Wed, Dec 9

Southwest Airlines
9:25 amMIA
7h 30m
DAL · 2h 15m
2:55 pmDEN
Southwest Airlines
12:00 pmDEN
3h 45m
Nonstop
5:45 pmMIA

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Wed, Dec 9

Southwest Airlines
5:05 amMIA
7h 15m
HOU · 2h
10:20 amDEN
Southwest Airlines
12:00 pmDEN
3h 45m
Nonstop
5:45 pmMIA

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Wed, Dec 9

Southwest Airlines
5:10 amMIA
6h 20m
STL · 1h 5m
9:30 amDEN
Southwest Airlines
12:00 pmDEN
3h 45m
Nonstop
5:45 pmMIA

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Wed, Dec 9

Southwest Airlines
6:50 amMIA
7h 5m
MCO · 1h 45m
11:55 amDEN
Southwest Airlines
12:00 pmDEN
3h 45m
Nonstop
5:45 pmMIA

Round-trip total · 1 adult · Taxes included

Fri, Dec 4 – Wed, Dec 9

American Airlines
3:40 pmMIA
7h 7m
CLT · 1h 5m
8:47 pmDEN
American Airlines
6:00 amDEN
4h
Nonstop
12:00 pmMIA

Round-trip total · 1 adult · Taxes included

Make this trip yours

MIA ⇄ DEN

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Frontier Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-04 → 2026-12-09Frontier AirlinesF91519 / F91280$180.002026-10-29T01:29:27Z
2026-12-04 → 2026-12-09Southwest AirlinesWN1167 / WN1704$305.002026-10-29T01:29:27Z
2026-12-04 → 2026-12-09American AirlinesAA1629 / AA2986$330.002026-10-29T01:29:27Z
2026-12-04 → 2026-12-09United AirlinesUA335 / UA2234$340.002026-10-29T01:29:27Z
2026-12-04 → 2026-12-09Frontier AirlinesF91279 / F91280$180.002026-10-29T01:29:27Z
2026-12-04 → 2026-12-09Southwest AirlinesWN734 / WN1704$305.002026-10-29T01:29:27Z
2026-12-04 → 2026-12-09American AirlinesAA1356 / AA2986$330.002026-10-29T01:29:27Z
2026-12-04 → 2026-12-09United AirlinesUA1925 / UA2234$340.002026-10-29T01:29:27Z
2026-12-04 → 2026-12-09Frontier AirlinesF92135 + F94463 / F91280$190.002026-10-29T01:29:27Z
2026-12-04 → 2026-12-09Southwest AirlinesWN2512 + WN536 / WN1704$295.002026-10-29T01:29:27Z
2026-12-04 → 2026-12-09Southwest AirlinesWN3078 + WN2079 / WN1704$295.002026-10-29T01:29:27Z
2026-12-04 → 2026-12-09Southwest AirlinesWN4777 + WN4141 / WN1704$295.002026-10-29T01:29:27Z
2026-12-04 → 2026-12-09Southwest AirlinesWN4483 + WN1785 / WN1704$295.002026-10-29T01:29:27Z
2026-12-04 → 2026-12-09American AirlinesAA1096 + AA2279 / AA2986$317.502026-10-29T01:29:27Z

2026-12-04 → 2026-12-09 · $180.00

  • Frontier Airlines F91519: MIA 2026-12-04 19:47:00 → DEN 2026-12-04 22:47:00; nonstop; 300 minutes. Local airport times.
  • Frontier Airlines F91280: DEN 2026-12-09 15:52:00 → MIA 2026-12-09 21:39:00; nonstop; 227 minutes. Local airport times.

2026-12-04 → 2026-12-09 · $305.00

  • Southwest Airlines WN1167: MIA 2026-12-04 05:25:00 → DEN 2026-12-04 07:55:00; nonstop; 270 minutes. Local airport times.
  • Southwest Airlines WN1704: DEN 2026-12-09 12:00:00 → MIA 2026-12-09 17:45:00; nonstop; 225 minutes. Local airport times.

2026-12-04 → 2026-12-09 · $330.00

  • American Airlines AA1629: MIA 2026-12-04 17:00:00 → DEN 2026-12-04 19:32:00; nonstop; 272 minutes. Local airport times.
  • American Airlines AA2986: DEN 2026-12-09 06:00:00 → MIA 2026-12-09 12:00:00; nonstop; 240 minutes. Local airport times.

2026-12-04 → 2026-12-09 · $340.00

  • United Airlines UA335: MIA 2026-12-04 06:00:00 → DEN 2026-12-04 08:45:00; nonstop; 285 minutes. Local airport times.
  • United Airlines UA2234: DEN 2026-12-09 13:48:00 → MIA 2026-12-09 19:42:00; nonstop; 234 minutes. Local airport times.

2026-12-04 → 2026-12-09 · $180.00

  • Frontier Airlines F91279: MIA 2026-12-04 05:01:00 → DEN 2026-12-04 07:39:00; nonstop; 278 minutes. Local airport times.
  • Frontier Airlines F91280: DEN 2026-12-09 15:52:00 → MIA 2026-12-09 21:39:00; nonstop; 227 minutes. Local airport times.

2026-12-04 → 2026-12-09 · $305.00

  • Southwest Airlines WN734: MIA 2026-12-04 14:35:00 → DEN 2026-12-04 17:05:00; nonstop; 270 minutes. Local airport times.
  • Southwest Airlines WN1704: DEN 2026-12-09 12:00:00 → MIA 2026-12-09 17:45:00; nonstop; 225 minutes. Local airport times.

2026-12-04 → 2026-12-09 · $330.00

  • American Airlines AA1356: MIA 2026-12-04 20:24:00 → DEN 2026-12-04 22:59:00; nonstop; 275 minutes. Local airport times.
  • American Airlines AA2986: DEN 2026-12-09 06:00:00 → MIA 2026-12-09 12:00:00; nonstop; 240 minutes. Local airport times.

2026-12-04 → 2026-12-09 · $340.00

  • United Airlines UA1925: MIA 2026-12-04 19:42:00 → DEN 2026-12-04 22:32:00; nonstop; 290 minutes. Local airport times.
  • United Airlines UA2234: DEN 2026-12-09 13:48:00 → MIA 2026-12-09 19:42:00; nonstop; 234 minutes. Local airport times.

2026-12-04 → 2026-12-09 · $190.00

  • Frontier Airlines F92135 / F94463: MIA 2026-12-04 10:49:00 → DEN 2026-12-04 15:48:00; 1 stop(s) via DFW; 419 minutes. Local airport times.
    • F92135: MIA 2026-12-04 10:49:00 → DFW 2026-12-04 13:33:00; layover at DFW: 61 minutes.
    • F94463: DFW 2026-12-04 14:34:00 → DEN 2026-12-04 15:48:00.
  • Frontier Airlines F91280: DEN 2026-12-09 15:52:00 → MIA 2026-12-09 21:39:00; nonstop; 227 minutes. Local airport times.

2026-12-04 → 2026-12-09 · $295.00

  • Southwest Airlines WN2512 / WN536: MIA 2026-12-04 09:25:00 → DEN 2026-12-04 14:55:00; 1 stop(s) via DAL; 450 minutes. Local airport times.
    • WN2512: MIA 2026-12-04 09:25:00 → DAL 2026-12-04 11:30:00; layover at DAL: 135 minutes.
    • WN536: DAL 2026-12-04 13:45:00 → DEN 2026-12-04 14:55:00.
  • Southwest Airlines WN1704: DEN 2026-12-09 12:00:00 → MIA 2026-12-09 17:45:00; nonstop; 225 minutes. Local airport times.

2026-12-04 → 2026-12-09 · $295.00

  • Southwest Airlines WN3078 / WN2079: MIA 2026-12-04 05:05:00 → DEN 2026-12-04 10:20:00; 1 stop(s) via HOU; 435 minutes. Local airport times.
    • WN3078: MIA 2026-12-04 05:05:00 → HOU 2026-12-04 06:50:00; layover at HOU: 120 minutes.
    • WN2079: HOU 2026-12-04 08:50:00 → DEN 2026-12-04 10:20:00.
  • Southwest Airlines WN1704: DEN 2026-12-09 12:00:00 → MIA 2026-12-09 17:45:00; nonstop; 225 minutes. Local airport times.

2026-12-04 → 2026-12-09 · $295.00

  • Southwest Airlines WN4777 / WN4141: MIA 2026-12-04 05:10:00 → DEN 2026-12-04 09:30:00; 1 stop(s) via STL; 380 minutes. Local airport times.
    • WN4777: MIA 2026-12-04 05:10:00 → STL 2026-12-04 07:00:00; layover at STL: 65 minutes.
    • WN4141: STL 2026-12-04 08:05:00 → DEN 2026-12-04 09:30:00.
  • Southwest Airlines WN1704: DEN 2026-12-09 12:00:00 → MIA 2026-12-09 17:45:00; nonstop; 225 minutes. Local airport times.

2026-12-04 → 2026-12-09 · $295.00

  • Southwest Airlines WN4483 / WN1785: MIA 2026-12-04 06:50:00 → DEN 2026-12-04 11:55:00; 1 stop(s) via MCO; 425 minutes. Local airport times.
    • WN4483: MIA 2026-12-04 06:50:00 → MCO 2026-12-04 08:00:00; layover at MCO: 105 minutes.
    • WN1785: MCO 2026-12-04 09:45:00 → DEN 2026-12-04 11:55:00.
  • Southwest Airlines WN1704: DEN 2026-12-09 12:00:00 → MIA 2026-12-09 17:45:00; nonstop; 225 minutes. Local airport times.

2026-12-04 → 2026-12-09 · $317.50

  • American Airlines AA1096 / AA2279: MIA 2026-12-04 15:40:00 → DEN 2026-12-04 20:47:00; 1 stop(s) via CLT; 427 minutes. Local airport times.
    • AA1096: MIA 2026-12-04 15:40:00 → CLT 2026-12-04 17:55:00; layover at CLT: 65 minutes.
    • AA2279: CLT 2026-12-04 19:00:00 → DEN 2026-12-04 20:47:00.
  • American Airlines AA2986: DEN 2026-12-09 06:00:00 → MIA 2026-12-09 12:00:00; nonstop; 240 minutes. Local airport times.

More dates for this route